JPS6080769A - 電動機の速度検出方法 - Google Patents

電動機の速度検出方法

Info

Publication number
JPS6080769A
JPS6080769A JP58188861A JP18886183A JPS6080769A JP S6080769 A JPS6080769 A JP S6080769A JP 58188861 A JP58188861 A JP 58188861A JP 18886183 A JP18886183 A JP 18886183A JP S6080769 A JPS6080769 A JP S6080769A
Authority
JP
Japan
Prior art keywords
pulse
speed
pulse train
interval
value
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP58188861A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0475466B2 (enrdf_load_stackoverflow
Inventor
Noboru Azusawa
梓沢　昇
Kenzo Kamiyama
神山　健三
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP58188861A priority Critical patent/JPS6080769A/ja
Publication of JPS6080769A publication Critical patent/JPS6080769A/ja
Publication of JPH0475466B2 publication Critical patent/JPH0475466B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/489—Digital circuits therefor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Electric Motors In General (AREA)
JP58188861A 1983-10-07 1983-10-07 電動機の速度検出方法 Granted JPS6080769A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58188861A JPS6080769A (ja) 1983-10-07 1983-10-07 電動機の速度検出方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58188861A JPS6080769A (ja) 1983-10-07 1983-10-07 電動機の速度検出方法

Publications (2)

Publication Number Publication Date
JPS6080769A true JPS6080769A (ja) 1985-05-08
JPH0475466B2 JPH0475466B2 (enrdf_load_stackoverflow) 1992-11-30

Family

ID=16231141

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58188861A Granted JPS6080769A (ja) 1983-10-07 1983-10-07 電動機の速度検出方法

Country Status (1)

Country Link
JP (1) JPS6080769A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62156565A (ja) * 1985-12-12 1987-07-11 ゼネラル・エレクトリツク・カンパニイ 回転速度測定装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62156565A (ja) * 1985-12-12 1987-07-11 ゼネラル・エレクトリツク・カンパニイ 回転速度測定装置

Also Published As

Publication number Publication date
JPH0475466B2 (enrdf_load_stackoverflow) 1992-11-30

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